56 lines
1.6 KiB
Java
56 lines
1.6 KiB
Java
package top.peng.answerbi.utils;
|
||
|
||
import java.net.InetAddress;
|
||
import javax.servlet.http.HttpServletRequest;
|
||
|
||
/**
|
||
* 网络工具类
|
||
*
|
||
* @author yunpeng
|
||
* @version 1.0 2023/5/16
|
||
*/
|
||
public class NetUtils {
|
||
|
||
/**
|
||
* 获取客户端 IP 地址
|
||
*
|
||
* @param request
|
||
* @return
|
||
*/
|
||
public static String getIpAddress(HttpServletRequest request) {
|
||
String ip = request.getHeader("x-forwarded-for");
|
||
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
|
||
ip = request.getHeader("Proxy-Client-IP");
|
||
}
|
||
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
|
||
ip = request.getHeader("WL-Proxy-Client-IP");
|
||
}
|
||
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
|
||
ip = request.getRemoteAddr();
|
||
if (ip.equals("127.0.0.1")) {
|
||
// 根据网卡取本机配置的 IP
|
||
InetAddress inet = null;
|
||
try {
|
||
inet = InetAddress.getLocalHost();
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
}
|
||
if (inet != null) {
|
||
ip = inet.getHostAddress();
|
||
}
|
||
}
|
||
}
|
||
// 多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
|
||
if (ip != null && ip.length() > 15) {
|
||
if (ip.indexOf(",") > 0) {
|
||
ip = ip.substring(0, ip.indexOf(","));
|
||
}
|
||
}
|
||
if (ip == null) {
|
||
return "127.0.0.1";
|
||
}
|
||
return ip;
|
||
}
|
||
|
||
}
|